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Lookup NU author(s): Professor Mark PearceORCiD
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Author(s): Pearce MS
Publication type: Article
Publication status: Published
Journal: Stata Technical Bulletin
Year: 1998
Volume: 46
Pages: 20-24
Print publication date: 01/11/1998
ISSN (print): 1097-8879
Publisher: Stata Press
URL: http://www.stata-press.com/journals/stbcontents/stb46.pdf